Critical Incident

In Hartlepool, PC Mick Johnson is stabbed in the arm at a local convenience store.

In Wiltshire, an officer fears for his life when a drunk man turns violent and threatens him.

In Edinburgh, PC Fraser Bell severs his artery while trying to restrain a youth, but his quick-thinking colleague saves his life by stemming the blood flow. In Manchester, PC Ian Bruce is part of a specialist team tackling vehicle crime. It's a dangerous job, and Ian finds himself alone and vulnerable as a gang he's chasing goes on the attack, using their car as a weapon.

A detective has a chemical thrown in her face as she tries to apprehend a gang of burglars.

In Bedfordshire, PC Hayley Robinson has her ankle crushed after being driven at by a criminal.

A paramedic whose ambulance already had patients on board stops to assist in a road traffic accident. But as he tries to treat one of the people involved, he's headbutted so hard he's knocked unconscious. A rookie police officer experiences the darker side of the job when he is attacked by a patient he's guarding in a hospital.